Air Quality in Capitol Hill, United States

Windy
14.5°C · 24.7% humidity
14.5°
Feels 14.5°
26
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station

Nearby Monitoring Stations

AQI Forecast Calibrated
26 5pm
26
26
26 8pm
26
26
26 11pm
26
26
26 2am
39
39
39 5am
39
39
39 8am
39
64
64 11am
64
64
64 2pm
64
39
Station readings
26
26
26
CAMS model adj -11
37
37
37
37
37
37
37
37
37
37
50
50
50
50
50
50
50
75
75
75
75
75
75
50
AD 728×90

PM2.5 Trend (24h)

23h · 1 station
24.7%
Humidity
40.1 km/h
Wind SSE
1033.4 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

What is the weather forecast for Capitol Hill?

Temperature & Precipitation

PM2.56.27 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX0.7
Low
AD 300×250
Station readings (1 station within 25 km)
6.27
Median
6.27
Average
6.27
Low
6.27
High
PM2.5 µg/m³ · Model: 8.9 · Bias: +2.6

What is the 7-day forecast for Capitol Hill?

04-09
14.5° 3.3°
04-10
19.5° 7.2°
04-11
22.7° 11.5°
04-12
21.7° 13.8°
04-13
28.1° 14.3°
04-14
29.3° 18.2°
04-15
26.7° 21.0°
Both models agree Avg diff: 3.6°C

Where are air quality stations near Capitol Hill?

25
Aurora Hills Visitor Center, Northern Virginia, USA
6.2 km
25
Lee District Park - Fairfax County, Northern Virginia, USA
15.7 km
22
Lee District Park - Fairfax County, Northern Virginia, USA
15.7 km
22
Lee District Park - Fairfax County, Northern Virginia, USA
15.7 km
26
NASA GSFC 1
18.0 km PM2.5: 6.3 µg/m³
41
HU-Beltsville, Maryland, USA
21.3 km

What cities are near Capitol Hill?

26 Capitol Riverfront 26 H Street NE 26 NoMa 26 Downtown DC 26 Southwest Waterfront 26 Northwest One 26 Mount Vernon Triangle 26 Shaw 26 Washington 26 Golden Triangle

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-09T20:28 UTC.